.mock-paragraph b {
  display: inline-block;
  vertical-align: middle;
  *vertical-align: auto;
  *zoom: 1;
  *display: inline;
  background: rgba(0, 0, 0, 0.1);
  width: 3.125em;
  height: 0.5em;
  margin-right: 0.3125em;
  margin-bottom: 0.3125em; }
  .mock-paragraph b:nth-last-child(4n+1) {
    width: 4.5625em; }
  .mock-paragraph b:nth-last-child(10n+1) {
    width: 0.875em; }
  .mock-paragraph b:nth-last-child(9n+1) {
    width: 5em; }
